Experiment: 6AXA

Crystal Structure of Purine Nucleoside Phosphorylase Isoform 2 from Schistosoma mansoni in complex with (3S)-5-fluoro-3-hydroxy-1,3-dihydroindol-2-one

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5CXQ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293.15	Ammonium Acetate, Bis-Tris , PEG 3,350

Crystal Properties
Matthews coefficient	Solvent content
2.65	53.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99.93	α = 90
b = 99.93	β = 90
c = 99.93	γ = 90

Symmetry
Space Group	P 21 3

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M-F		2015-07-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04-1	0.9200	Diamond	I04-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	CC (Half)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.59	70.661	100	1	12.3	11.7		44906

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.59	1.63

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	5CXQ	1.59	70.661	1.34	44875	2189	100	0.164	0.1632	0.1679	0.1815	0.1877

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	11.805
f_angle_d	1.185
f_chiral_restr	0.076
f_bond_d	0.013
f_plane_restr	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2130
Nucleic Acid Atoms
Solvent Atoms	222
Heterogen Atoms	44

Software

Software
Software Name	Purpose
PHENIX	refinement
xia2	data reduction
Coot	model building